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math

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Find the surface area of a cone if the diameter of its base is 13.5 feet, and it has a slant height of 16.8 feet. Round to the nearest tenth.

  • math - ,

    a = pi r^2 + pi r s = pi* 13.5/2 (13.5/2 + 16.8) = 158 77/80 pi

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